Finding the Fourth Proportional to 160,175.44, 221,044.80 and 93,107.44
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Solution
The fourth proportional to 160,175.44, 221,044.80 and 93,107.44 is: 128,489.83
Step by Step Solution
- Step 1: Write the proportion equation
160,175.44 : 221,044.80 = 93,107.44 : x - Step 2: Convert to fraction form
160,175.44/221,044.80 = 93,107.44/x - Step 3: Cross multiply
160,175.44x = 221,044.80 × 93,107.44 - Step 4: Simplify right side
160,175.44x = 20,580,915,453.31 - Step 5: Solve for x
x = 20,580,915,453.31/160,175.44 - Step 6: Final answer
x = 128,489.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.